Februar, 2011
Enable SNMP on Citrix XenServer 5.6
Open XenServer Console or open a SSH connection to your XenServer for this howto: 1. Firewall Settings Open „/etc/sysconfig/iptables“ with „vi“ editor and add the following line to allow SNMP connections: -A RH-Firewall-1-INPUT -m state –state NEW -m udp -p udp –dport 161 -j ACCEPT Restart iptables service: service iptables restart 2. Configurate SNMPD Edit […]
Ubuntu Lucid on XenServer 5.6 FP1
Describes howto install Ubuntu Lucid 10.04 LTS (32-Bit or 64-Bit) on a Citrix XenServer 5.6 FP1 and convert the virtual machine into a template. Note: Click to enlarge a picture. 1. Create a new virtual machine Select template „Ubuntu Lucid Lynx 10.04 (64-bit)“ and choose name and description for your virtual machine (or 32-Bit if […]
Resize images (folder) with imagemagick (mogrify)
Before upload pictures to my online gallery i want to resize them to a smaller size. I don’t want to open all with a tool or something. I want to run a small script on my netbook without GUI. First install imagemagick: aptitude install imagemagick Now „cd“ into the directory with your images and execute: […]
Change DNS-Server in XenServer 5.6 FP1
Citrix removed the change DNS from their console. But to change DNS-Server in „/etc/resolv.conf“ are not solid settings. If you reboot the server the settings will be changed back to the initial configuration. You have to change it with „xe pif-reconfigure-ip“. Change DNS-Server First use xe pif-list to get the UUID of your PIF. You […]
Upgrade Debian Lenny to Squeeze on Citrix XenServer
1. Update your Lenny installation Make sure that your current Lenny is up-2-date. aptitude update aptitude upgrade 2. Change sources to Squeeze Open „/etc/apt/sources.list“ and replace „Lenny“ with „Squeeze“ here is an example: # Debian Squeeze deb http://ftp.de.debian.org/debian/ squeeze main deb-src http://ftp.de.debian.org/debian/ squeeze main # Debian Squeeze Security deb http://security.debian.org/ squeeze/updates main 3. Upgrade your […]